Visit this site to learn about shock waves and how they depend on the speed of a moving object. You'll find out how a "blunt body" minimizes heating on reentry and see images of shock waves made in a wind tunnel. Also, you'll how a vehicle can to ride on its own shock wave and you'll see prototype aircraft, including the XB-70 bomber, that have used this concept.
American Physical Society. Physics in Action: Sonic Shock. College Park: American Physical Society, April 23, 2004. http://www.physicscentral.com/explore/action/shockwaves-1.cfm (accessed 18 May 2013).
%0 Electronic Source %D April 23, 2004 %T Physics in Action: Sonic Shock %I American Physical Society %V 2013 %N 18 May 2013 %8 April 23, 2004 %9 text/html %U http://www.physicscentral.com/explore/action/shockwaves-1.cfm
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